/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0e0e0e;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --muted: #888;
  --accent: #c8b89a;
  --font: 'Georgia', serif;
  --mono: 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 2.4rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}

.site-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.4rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #e03030;
  font-family: var(--mono);
}

.site-logo {
  height: 1.6rem;
  width: auto;
}

nav {
  display: flex;
  gap: 2rem;
}

nav a {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

nav a:hover { color: var(--text); }

/* ── Main ── */
main {
  flex: 1;
  padding: 3rem 2.4rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ── Projects grid ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2px;
}

.project-card {
  display: block;
  cursor: pointer;
  position: relative;
}

.project-card--concealed {
  cursor: default;
}

.project-cover--concealed {
  background: #ffffff !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.unode-cover--concealed {
  background: #ffffff !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concealed-qmark {
  font-size: 2.5rem;
  font-weight: 700;
  color: #aaaaaa;
  user-select: none;
}

.universe-node--concealed {
  cursor: default;
}

.universe-node--concealed .concealed-qmark {
  font-size: clamp(1rem, 2.5vw, 2rem);
}

.project-cover {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--surface);
}

.project-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease, filter 0.4s ease;
  filter: grayscale(20%);
}

.project-card:hover .project-cover img {
  transform: scale(1.04);
  filter: grayscale(0%);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay { opacity: 1; }

.project-overlay-title {
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: #fff;
}

.project-overlay-year {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
}

.project-meta {
  padding: 0.9rem 0.2rem 1.4rem;
}

.project-meta h2 {
  font-size: 1rem;
  font-weight: normal;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.project-medium {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.project-date {
  display: block;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

/* ── Project page ── */
.project-page {
  max-width: 900px;
  margin: 0 auto;
}

.project-header {
  margin-bottom: 2rem;
}

.back-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  display: inline-block;
  margin-bottom: 1.4rem;
  transition: color 0.2s;
}

.back-link:hover { color: var(--accent); }

.project-page h1 {
  font-size: 2.4rem;
  font-weight: normal;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.project-info {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.dot { color: var(--border); }

.project-description {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #bbb;
  margin-top: 3rem;
  max-width: 640px;
}

.project-images {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.project-images figure img {
  width: 100%;
  display: block;
}

/* ── Footer ── */
footer {
  padding: 1.4rem 2.4rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.1em;
}

/* ── Static pages ── */
.static-page {
  max-width: 640px;
  margin: 0 auto;
}

.static-page h1 {
  font-size: 2.4rem;
  font-weight: normal;
  letter-spacing: 0.04em;
  margin-bottom: 1.6rem;
}

.static-lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #bbb;
}

/* ── Unlock form ── */
.unlock-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.unlock-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.unlock-row {
  display: flex;
  gap: 0;
  max-width: 320px;
}

.unlock-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-right: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.6rem 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.unlock-input:focus {
  border-color: var(--accent);
}

.unlock-input--error {
  border-color: #7a3535;
}

.unlock-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1rem;
  padding: 0.6rem 1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.unlock-btn:hover {
  background: var(--border);
  color: var(--text);
}

.unlock-error {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #a05555;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
}

.unlock-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  transition: color 0.2s;
}

.unlock-link:hover { color: var(--text); }

/* ── Hamburger button ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  width: 2.4rem;
  height: 2.4rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}

.nav-toggle--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle--open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Responsive — tablet ── */
@media (max-width: 900px) {
  main { padding: 2rem 1.6rem; }
  .projects-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

/* ── Responsive — mobile ── */
@media (max-width: 640px) {
  header {
    padding: 1rem 1.2rem;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
  }

  .nav-toggle { display: flex; }

  nav {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    order: 3;
    border-top: 1px solid var(--border);
    margin-top: 0.8rem;
    padding-top: 0.4rem;
    padding-bottom: 0.6rem;
  }

  nav.nav-open { display: flex; }

  nav a {
    padding: 0.75rem 0.2rem;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
  }

  nav a:last-child { border-bottom: none; }

  main { padding: 1.5rem 1rem; }

  .projects-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1px;
  }

  .project-meta h2 { font-size: 0.88rem; }

  .project-page h1 { font-size: 1.6rem; }

  .project-description { font-size: 0.95rem; }

  .project-info { flex-wrap: wrap; gap: 0.3rem; }

  .unlock-row { max-width: 100%; }

  .unlock-input, .unlock-btn {
    font-size: 1rem;
    padding: 0.75rem 0.9rem;
  }

  footer { padding: 1rem 1.2rem; }
}

/* ── Responsive — small phones ── */
@media (max-width: 380px) {
  .site-name { font-size: 1.1rem; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* ══ Universe network layout ══ */

main.universe-main {
  padding: 0;
  max-width: 100%;
}

.universe-section {
  display: block;
}

.universe-wrap {
  position: relative;
  overflow: hidden;
  background: #0e0e0e;
}

.universe-svg {
  width: 100%;
  height: auto;
  display: block;
}

.universe-node {
  position: absolute;
  left: var(--nx);
  top: var(--ny);
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35em;
  width: 5.5%;
  text-decoration: none;
  color: var(--text);
  z-index: 2;
}

.universe-dot {
  position: absolute;
  left: calc(var(--nx) + var(--ox, 0%));
  top: calc(var(--ny) + var(--oy, 0%));
  transform: translate(-50%, -50%);
  width: clamp(5px, 0.83vw, 12px);
  height: clamp(5px, 0.83vw, 12px);
  background: #e03030;
  z-index: 3;
  pointer-events: none;
}


.unode-cover {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
}

.unode-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: luminosity;
}

.universe-node:hover .unode-cover {
  transform: scale(1.12);
  filter: brightness(1.0);
}

.universe-node:hover .unode-cover img {
  opacity: 1;
  mix-blend-mode: normal;
}

.unode-title {
  font-size: clamp(0.45rem, 1.1vw, 0.82rem);
  letter-spacing: 0.04em;
  text-align: center;
  white-space: nowrap;
  color: var(--text);
  line-height: 1.2;
}

.unode-date {
  font-family: var(--mono);
  font-size: clamp(0.45rem, 1vw, 0.72rem);
  color: var(--text);
  letter-spacing: 0.07em;
  text-align: center;
  white-space: nowrap;
}

.unode-medium {
  font-family: var(--mono);
  font-size: clamp(0.38rem, 0.85vw, 0.65rem);
  color: var(--muted);
  letter-spacing: 0.08em;
  text-align: center;
  white-space: nowrap;
}

/* Na tabletach schowaj medium — zostają tylko tytuły */
@media (max-width: 900px) {
  .unode-medium { display: none; }
}

/* Grid fallback nieużywany — universe widoczny na wszystkich rozmiarach */
.universe-grid-fallback {
  display: none;
}

/* ══ Artifacts page ══ */

.artifacts-page {
  max-width: 1000px;
  margin: 0 auto;
}

.artifacts-page h1 {
  font-size: 2.4rem;
  font-weight: normal;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.artifacts-lead {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 2.5rem;
}

.artifacts-hint {
  font-size: 0.88rem;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.artifacts-empty {
  font-size: 1rem;
  color: var(--muted);
  margin-top: 2rem;
}

.artifacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
}

/* ── Artifact card ── */
.artifact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}

.artifact-card:hover {
  border-color: #444;
}

.artifact-card--sold-out {
  opacity: 0.5;
}

.artifact-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.artifact-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.artifact-badge {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background: rgba(0, 0, 0, 0.75);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.6rem;
}

.artifact-badge--gone {
  color: #e03030;
}

.artifact-info {
  padding: 1rem 1.2rem 1.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.artifact-info h2 {
  font-size: 1.1rem;
  font-weight: normal;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
}

.artifact-info p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #bbb;
  flex: 1;
  margin-bottom: 1rem;
}

.artifact-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.artifact-pool {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.artifact-claim-btn {
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.artifact-claim-btn:hover {
  background: var(--accent);
  color: var(--bg);
}

.artifact-gone-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #666;
  letter-spacing: 0.08em;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-box {
  background: var(--bg);
  border: 1px solid var(--border);
  max-width: 480px;
  width: 100%;
  padding: 2rem;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 0.8rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.6rem;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--text);
}

.modal-step h2 {
  font-size: 1.3rem;
  font-weight: normal;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.modal-hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.2rem;
  line-height: 1.5;
}

.modal-field {
  margin-bottom: 1rem;
}

.modal-field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.modal-field input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0.65rem 0.8rem;
  outline: none;
  transition: border-color 0.2s;
}

.modal-field input:focus {
  border-color: var(--accent);
}

.modal-btn {
  display: block;
  width: 100%;
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  padding: 0.7rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  margin-top: 0.5rem;
}

.modal-btn:hover {
  background: var(--accent);
  color: var(--bg);
}

.modal-error {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: #e03030;
  margin-top: 0.8rem;
  min-height: 1.2em;
}

.modal-loading {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-top: 0.6rem;
}

.modal-success-icon {
  font-size: 3rem;
  color: #4a9;
  text-align: center;
  margin-bottom: 0.5rem;
}

/* ── Quiz in modal ── */
#quizSection {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.quiz-question {
  margin-bottom: 1.2rem;
}

.quiz-q-text {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.quiz-answer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  cursor: pointer;
  font-size: 0.85rem;
  color: #bbb;
}

.quiz-answer input[type="radio"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.quiz-answer span {
  line-height: 1.4;
}

/* ── Artifacts responsive ── */
@media (max-width: 640px) {
  .artifacts-page h1 { font-size: 1.6rem; }
  .artifacts-grid { grid-template-columns: 1fr; }
  .modal-box { padding: 1.5rem 1.2rem; }
}

@media (max-width: 380px) {
  .artifacts-grid { gap: 1px; }
}